Dagra is described as 'Graphs are great for understanding results in reports and papers, but to use those results in your own analysis, you'll want the underlying numerical data'. There are more than 10 alternatives to Dagra for Windows, Linux, Mac, Online / Web-based and Java. The best alternative is Engauge Digitizer, which is both free and Open Source. Other great apps like Dagra are WebPlotDigitizer (Free, Open Source), Plot Digitizer (Free, Open Source), g3data (Free, Open Source) and PlotDigitizer (Freemium).
- 12 alternatives